I think this is also a distribution-specific issue. I verified that
my
build is using the same code path in access.c that your build is using.
If sys/socket.h defines SO_PEERCRED, then access.c will try to use
'struct ucred'. (NOTE: access.c is X.org code, not TurboVNC code.)
However, 'struct ucred' is apparently only defined if _GNU_SOURCE is
defined, so the first thing I would do is 'make VERBOSE=1' and verify
whether _GNU_SOURCE is defined on the command line that builds
access.c. If it isn't, then it's probably because this build system
check failed:
https://github.com/TurboVNC/turbovnc/blob/main/unix/Xvnc/CMakeLists.txt#L4-L9,
which would happen if features.h doesn't define __GLIBC__ on your
system. It could also be that, for whatever reason, your system doesn't
define 'struct ucred'.
On 5/15/21 9:36 PM, SugarRayLua wrote:
Thanks again for your continued help.
If I am understanding you correctly, no, I did not make the build with
adding the switch “TVNC_SYSTEMX11=1”) if that was what your were
asking (i.e. just did “make”)
Here is the relevant debug output again but with make VERBOSE=1:
[ 84%] Built target sync
make -f unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/build.make
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/depend
make[2]: Entering directory '/root/turbovnc-2.2.6'
cd /root/turbovnc-2.2.6 && /usr/bin/cmake -E cmake_depends "Unix
Makefiles" /root/turbovnc-2.2.6
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os
/root/turbovnc-2.2.6
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/DependInfo.cmake
--color=
make[2]: Leaving directory '/root/turbovnc-2.2.6'
make -f unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/build.make
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/build
make[2]: Entering directory '/root/turbovnc-2.2.6'
[ 84%] Building C object
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o
cd /root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os && /usr/bin/cc
-DCLIENTIDS -DCOMPOSITE -DDAMAGE -DDPMSExtension -DGLXEXT -DHASXDMAUTH
-DHAS_SHM -DHAVE_DIX_CONFIG_H -DHAVE_SHA1_IN_LIBSHA1 -DHAVE_XSHMFENCE
-DIPv6 -DMITSHM -DMONOTONIC_CLOCK -DNVCONTROL -DPANORAMIX -DPRESENT
-DRANDR -DRENDER -DRES -DSCREENSAVER -DSHAPE -DTCPCONN -DTURBOVNC
-DUNIXCONN -DUSE_POLL -DXACE -DXCSECURITY -DXDMCP -DXF86BIGFONT
-DXFIXES -DXINPUT -DXRECORD -DXTEST -DXV
-I/root/turbovnc-2.2.6/unix/include
-I/root/turbovnc-2.2.6/unix/Xvnc/X_include
-I/root/turbovnc-2.2.6/common/zlib
-I/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/Xext
-I/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/include
-I/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/miext/damage
-I/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/present
-I/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/../../lib/pixman/pixman
-I/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/../render
-I/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/../../../lib/libsha1
-w -O3 -DNDEBUG -fno-strict-aliasing -o
CMakeFiles/os.dir/access.c.o -c
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/access.c
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/access.c: In
function 'GetLocalClientCreds':
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/access.c:1178:18:
error: storage size of 'peercred' isn't known
1178 | struct ucred peercred;
|
^~~~~~~~
make[2]: ***
[unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/build.make:96:
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o] Error 1
make[2]: Leaving directory '/root/turbovnc-2.2.6'
make[1]: *** [CMakeFiles/Makefile2:2834:
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/all] Error 2
make[1]: Leaving directory '/root/turbovnc-2.2.6'
make: *** [Makefile:150: all] Error 2
On Saturday, May 15, 2021 at 5:05:14 PM UTC-7 DRC wrote:
Can you rerun with
make VERBOSE=1
? I need to see which include directories are being passed to the
compiler, because it seems as if one of the in-tree X.org headers
isn’t being picked up (or are you using TVNC_SYSTEMX11?)
On May 15, 2021, at 4:46 PM, SugarRayLua <meaning...@gmail.com>
wrote:
Ok, thanks.
Here is what I believe is the most verbose debugging of the
relevant part of the make where the build stopped:
Pruning file
'unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/flags.make'.
Finished prerequisites of target file
'unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o'.
Must remake target
'unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o'.
Putting child 0x565bb320
(unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o) PID
674 on the chain.
Live child 0x565bb320
(unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o) PID 674
[ 84%] Building C object
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o
Reaping winning child 0x565bb320 PID 674
Live child 0x565bb320
(unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o) PID 675
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/access.c: In
function 'GetLocalClientCreds':
/root/turbovnc-2.2.6/unix/Xvnc/programs/Xserver/os/access.c:1178:18:
error: storage size of 'peercred' isn't known
1178 | struct ucred peercred;
| ^~~~~~~~
Reaping losing child 0x565bb320 PID 675
make[2]: ***
[unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/build.make:96:
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/access.c.o] Error 1
Removing child 0x565bb320 PID 675 from chain.
Reaping losing child 0x565d3d60 PID 673
make[1]: *** [CMakeFiles/Makefile2:2834:
unix/Xvnc/programs/Xserver/os/CMakeFiles/os.dir/all] Error 2
Removing child 0x565d3d60 PID 673 from chain.
Reaping losing child 0x565ac240 PID 522
make: *** [Makefile:150: all] Error 2
Removing child 0x565ac240 PID 522 from chain.“
Please let me know if you need more information.
Sincerely,
On Saturday, May 15, 2021 at 5:04:43 AM UTC-7 DRC wrote:
Please post the full text of the error so I can see where it
is occurring. Build errors are never very meaningful without
context.
On May 15, 2021, at 12:50 AM, SugarRayLua
<meaning...@gmail.com> wrote:
Hello, again, TurboVNC Community,
I’m still trying to build TurboVNC for Alpine Linux x86 from
downloaded tarball. I managed to get cmake to work
successfully and got through 84% of the make build before I
got an “in function ‘GetLocalClientCreds’ error = storage
size of ‘peercred’ isn’t known error”. I’m still a Linux
novice and searched the web for other users who encountered
that error and most said that setting either the CFLAGS or
CPPFLAGS variable to “-D_GNU_SOURCE” (e.g. make
CFLAGS=-D_GNU_SOURCE) allowed the make build to compile.
However, setting neither flag fixes the problem and allows
the make build for me.
Does anyone have any other suggestions?
I appreciate any assistance anyone could offer.
Thanks and have a good night.
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